 |
| tracción: 338 phrases in 26 subjects |
| Agriculture | 32 |
| Chemistry | 1 |
| Construction | 2 |
| Earth sciences | 50 |
| Economy | 1 |
| Electric traction | 19 |
| Electricity generation | 1 |
| Electronics | 14 |
| Energy industry | 1 |
| Forestry | 4 |
| General | 5 |
| Industry | 8 |
| Information technology | 8 |
| Labor law | 1 |
| Materials science | 3 |
| Mechanic engineering | 34 |
| Medical | 5 |
| Metallurgy | 23 |
| Natural sciences | 14 |
| Piezoelectric crystals | 1 |
| Social science | 1 |
| Taxes | 2 |
| Technology | 6 |
| Telegraphy | 1 |
| Textile industry | 1 |
| Transport | 100 |